Answer:
The two states that were given permission to decide between slave and free as part of the Compromise of 1850 were New Mexico and Utah.
Step-by-step explanation:
As part of the Compromise of 1850, slavery was allowed in the new territories of Utah and New Mexico by appealing to the principle of popular sovereignty as a method to circumvent the Wilmot Amendment and decide whether it was allowed within the borders of these new territories. In practice, these lands were inappropriate for agricultural plantations and their colonization was not properly of slave origin.